req.setAttribute("testList", list);

[/*cn.wizzer.app.test.modules.models.Test_user@20ae106a*/{"id":"0001","username":"abc","password":"123123"}, /*cn.wizzer.app.test.modules.models.Test_user@7bbf4eda*/{"id":"0003","username":"abcde","password":"123123"}, /*cn.wizzer.app.test.modules.models.Test_user@61a3fbd5*/{"id":"0004","username":"qinxi","password":"*****"}]